PHOTOS: World's biggest blackout
Kolkata, India — An Indian barber holding a candle, does a haircut for a customer at his shop in Kolkata Tuesday. India's energy crisis cascaded over half the country when three of its regional grids collapsed, leaving 620 million people without government-supplied electricity for several hours in, by far, the world's biggest blackout. (Photos: AP)
New Delhi, India — A traffic jam following power outage and rains at the Delhi-Gurgaon road on the outskirts of New Delhi Tuesday.